package net.comm.user.db;

import org.sakaiproject.db.api.iServiceSql;


/**
 * methods for accessing user data in a database.
 */
public class UserSetServiceSqlMysql implements iServiceSql
{
	/**
	 * 返回根据主键删除语句
	 */
	public String getDeleteSql()
	{
		return "delete from UserSet where UserID=?";
	}

	/**
	 * 返回插入语句
	 */
	public String getInsertSql()
	{
		return "insert into UserSet (userID, picDisflg, friendFlg, firendListFlg, emailFlg, homeFlg, pubOperFlg,mTime " +
				" ) values (?,?,?,?,?,?,?,?)";
	}
	
	/**
	 * 返回根据主键修改语句
	 */
	public String getUpdateSql()
	{
		return "update UserSet  set picDisflg=?, friendFlg=?, firendListFlg=?, emailFlg=?, homeFlg=?, pubOperFlg=?, mTime=? " +
				"  where UserID=?";
	}

	/**
	 * 返回根据主键查询语句
	 */
	public String getbykeySql()
	{
		return "select userID, picDisflg, friendFlg, firendListFlg, emailFlg, homeFlg, pubOperFlg, mTime " +
				" from UserSet where UserID=?";
	}
	
	/**
	 * 返回根据会员ID查询语句 
	 */
	public String getByUserIDSql()
	{
		StringBuffer sb =  new StringBuffer("select userID, picDisflg, friendFlg, firendListFlg, emailFlg, homeFlg, pubOperFlg, mTime " +
				" from UserSet");
		
		sb.append(" where UserID=?  Order by MTime desc ");
				
		return sb.toString();
	}
	
	/**
	 * return the sql statement which updates an external user id for a given user in the sakai_user_id_map table.
	 */
	public String getRecbyPageSql()
	{
	
		StringBuffer sb =  new StringBuffer("select userID, picDisflg, friendFlg, firendListFlg, emailFlg, homeFlg, pubOperFlg, mTime " +
				" from UserSet");
		
		sb.append(" where 1=1 ");
		sb.append(" limit ?, ?");
				
		return sb.toString();	
	}	
	
	/**
	 * 返回所有记录数
	 */
	public String getCountSql1()
	{
		return "select count(*) as COUNT from UserSet";
	}


	/**
	 * 返回根据查询条件的记录数
	 */
	public String getCountSql2()
	{
		return "select count(*) as COUNT from UserSet where UserID=? ";
	}

	
	/**
	 * @see net.comm.job.db.iServiceSql.impl.UserSeterviceSql#getMaxInputsForSelectWhereInQueries()
	 */
	public int getMaxInputsForSelectWhereInQueries() {
		// For Oracle, the maximum supported number of expressions in a list is 1000. 
		return 1000;
	}
}
